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Re: Attempt to solve the job runner situation

From: Ryan Lane <rlane32@gmail.com>
Date: Wed, 6 Nov 2013 01:13:30 -0600
Message-ID: <CALKgCA10EnjjLXdzexFE+OCs=SRoHPzojvomoULX7mS6U-Bz3Q@mail.gmail.com>
To: Renoir Boulanger <renoir@w3.org>
Cc: List WebPlatform public <public-webplatform@w3.org>
On Wed, Nov 6, 2013 at 12:30 AM, Renoir Boulanger <renoir@w3.org> wrote:

> Hi all,
> Tonight, between 23:00 to 24:30 EST, Ryan and I had the chance to work on
> the job runner situation [0].
> The problem was two-fold. Part of the problem was due to a high level of
> database writes that was filling the database server storage partitions.
> The main reason of the problem was because of an ever increasing quantity
> of jobs being added to MediaWiki's job runner system. Details of the issue
> are described in [0].
> Symptoms of the problem were described in those e-mails: [1][2][3]
> Ryan took the decision to truncate SemanticMediaWiki data and delete all
> SemanticMediaWiki related jobs.
> We hope it solves the situation.
The problem is indeed solved. I believe the SMW data was corrupted, causing
it to continuously add jobs into the queue to fix its data. I truncated the
job table, then refreshed the SMW data using a maintenance script. The
current job queue is at 0.

- Ryan
Received on Wednesday, 6 November 2013 07:14:21 UTC

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